On 4/18/07, Nicola Perotto wrote: > The 16F886 has an internal RC oscillator from 8 MHz to 31 KHz in 8 steps. > See page 61 of datasheet (doc. 41291D) Thanks. Two more questions: Mode #8, "Internal oscillator with I/O on OSC1/CLKIN and OSC2/CLKOUT", does this mean I can use the internal oscillator and (at the same time) use the two pins as I/O? Mode #7 seems to be the same, except that one of the pins is Fosc/4. In which applications could it be useful to have this waveform? When you want to synchronize other ICs with the same clock, or something like that? -- - Rikard - http://bos.hack.org/cv/ -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist